@media screen and (max-width: 769px) {
    .case_bg{
        width: 100vw;
        height: 0.53rem;
        background: url(../../img/h5/projects/casebg.png);
        background-size: cover;
        margin-top: 0.44rem;
    }
    .case_title{
        display: none;
    }
    .nav_bar{
        width: 100vw;
        height: 0.42rem;
        background: #000;
    }
    .nav_bar ul{
        width: 100vw;
        height: 100%;
        padding: 0 0.05rem;
        box-sizing: border-box;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }
    .nav_bar ul li{
        width: 0.76rem ;
        display: flex;
        align-items: center;
        height: 0.42rem;
        text-align: center;
        float: left;
    }
    .nav_bar li a{
        width: 0.76rem ;
        display: inline-block;
        color: #fff;
        font-size: 0.14rem;
    }

    .nav_bar li a.act{
        color: #FFB400;
    }
    .news_page{
        width: 100vw;
    }
    .news_page ul{
        display: flex;
        flex-direction: column;
        margin: 0.3rem auto 0.3rem;
    }
    .news_page ul li{
        margin: 0 auto 0.3rem;
        width:3.27rem;
        height:3.01rem;
        background:rgba(255,255,255,1);
        box-shadow:0.05rem 0.1rem 0.30rem 0px rgba(221,234,255,1);
        border-radius:0.16rem;
        position: relative;
    }
    .covercode{
        width: 3.27rem;
        height: 3.01rem;
        border-radius:0.16rem;
        background: rgba(0,0,0,0.6983);
        position: absolute;
        top: 0;
        left:0;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .code{
        width: 0.9rem;
        height: 0.9rem;
        margin: 0.4rem auto 0.15rem;
    }
    .none{
        display: none;
    }
    .small_box{
        display: flex;
        flex-direction: column;
    }
    .covercode small{
        color: #fff;
        font-size:0.18rem;
        font-family:SourceHanSansCN-Normal;
        font-weight:400;
        line-height: 0.26rem;
    }
    .code img{
        width: 0.9rem !important; 
        height: 0.9rem !important;
        border-radius: 0 0 0 0 !important;
    }
    .news_page ul li img{
        width: 100%;
        height: 1.85rem;
        border-radius: 0.16rem 0.16rem 0 0;
    }
    .news_page ul li h2{
        font-size: 0.19rem;
        color: #000;
        font-family:SourceHanSansCN-Heavy;
        font-weight:800;
        padding: 0.1rem 0.2rem 0.05rem;
        box-sizing: border-box;
        display: -webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp: 2; overflow:hidden;
    }
    .news_page ul li p{
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 0.2rem;
        box-sizing: border-box;
        margin: 0;
    }
    .news_page ul li p span{
        display: flex;
        flex-direction: column;
        color: #9B9B9B;
        font-weight: 400;
        line-height: 0.2rem;
        font-size: 0.14rem;
    }
    .news_page ul li p span small{
        color: #9B9B9B;
        font-weight: 400;
        line-height: 0.2rem;
        font-size: 0.14rem;
    }
    .goOn{
        font-size: 0.35rem !important;
        color: #D8D8D8;
    }
    .goOn:hover{
        color: #FFB400;
    }
    footer{
        display: none;
    }
    .btn-group{
        position: fixed;
        right: 0.12rem;
        z-index: 99;
        bottom: 0.6rem;
    }
    .btn-group .order{
        width:0.3rem;
        height:1.1rem;
        background:rgba(255,180,0,1);
        border-radius:0.15rem;
        font-size: 0.14rem;
        line-height: 0.17rem;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        text-align: center;
        padding: 0.06rem 0.02rem;
        box-sizing: border-box;
        color: #000;
    }
    .btn-group .service{
        width:0.3rem;
        height:0.72rem;
        background:rgba(255,180,0,1);
        border-radius:0.15rem;
        font-size: 0.14rem;
        line-height: 0.17rem;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        text-align: center;
        padding: 0.06rem 0.02rem;
        box-sizing: border-box;
        margin-top: 0.24rem;
        color: #000;
    }
    .iconyuyuepaishe,.iconkefu{
        font-size: 0.14rem !important;
    }
}